A screw air compressor is a device used to compress gas. Screw compressor - is a rotary positive displacement compressor, in which the two rotors with spiral gear mesh with each other, so that the vol
© Shandong China Coal Group. © 2016
Address:No. 11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China
Executive Editor: Linda Zhang